I've noticed threads about whether getting a club membership for an airline is worth it. One thing I always did - as a United nonrevver - was purchase one-time passes on E-bay. Just search for "United Club Pass" and you'll see them come up. Sometimes they're sold in pairs, or individual. On average, I typically get one for $12-$14 (usually free shipping) which is fantastic because the value of a single pass is $50.
Lounges are a relaxing place to hangout between connecting flights or before a flight out if you're at the airport early. The ones for United have breakfast in the morning, complimentary snacks, and free alcoholic beverages. Free wifi, free newspapers and periodicals, and even showers in some lounges are part of the deal as well.
Not too sure but other airlines may have passes available on E-bay as well. I know I've seen some for Delta.
Cheers
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